See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/241050377 Biotechnology and Plant Productivity1 Article · December 1987 CITATIONS 3 READS 49 1 author: Some of the authors of this publication are also working on these related projects: Dreought tolerance in orphan legumes View project Christopher Cullis Case Western Reserve University 154 PUBLICATIONS 2,441 CITATIONS SEE PROFILE All content following this page was uploaded by Christopher Cullis on 19 December 2016. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.